E4 Extra Saturday

Sheldon takes the guys to a cabin in the middle of nowhere to meet a reclusive scientist. Penny and Bernadette improvise Amy's bachelorette party. Peter MacNicol guest stars

The comedy stars showcase their offbeat inventions to a focus group, and cause a commotion at a shoe shop. Plus, this week's punishment involves fearsome animals

The guys play copycat in the park while babysitting kids who are being told what to say and do, then head to the supermarket to play a game of catch and release

The guys ask strangers to help them bury bizarre items in the park, see who can cling to a car the longest and play another game of 'repeat after me'

Joe, Sal, Murr and Q pretend to be New York City taxi drivers and try to solicit undeserved congratulations from parkgoers, while the week's punishment involves being a sheriff